CNN —

Prunella Scales, the actress best known for playing Sybil Fawlty in 1970s British comedy series "Fawlty Towers," has died, her family told the U.K.'s PA Media news agency Tuesday. She was 93.

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Her family said in the statement that Scales "died peacefully at home in London" Monday. She had been watching "Fawlty Towers" the day before, they added.

Widely considered one of the funniest TV shows of all time, "Fawlty Towers" starred Scales as the long-suffering wife of Basil Fawlty (played by John Cleese ) – a rude hotel manager who forever appeared to be on the brink of a nervous breakdown.

The show, which ran in two six-part series, in 1975 and 1979, was a huge hit in Britain and went on to become a cult classic in the United States. Scales' catchphrase was simply

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